doubt Quotes

Of course it's the same old story. Truth usually is the same old story.

An optimist may see a light where there is none, but why must the pessimist always run to blow it out?

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

The first precept was never to accept a thing as true until I knew it as such without a single doubt.

The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.

It is only prudent never to place complete confidence in that by which we have even once been deceived.

I think there's a lot of intelligence out there, but that's just my guess. Question is: Are they peaceable or hostile? You could say that the peaceable ones are just going to stay at home and play with their Nintendos, so if you do meet any of them, they might be hostile.

While I have always thought that the motivation for looking for E.T. was both self-evident and patently worthy, it's possible that I'm a victim of my own job description. Others don't inevitably agree. Some will opine that there are better ways to spend the money.

It's always a tough call deciding whether, as a scientist, you should argue publicly with the creationists. It's a dilemma that I encounter frequently in another subject area: Does it make sense to bandy words with someone from the UFO community?

'E.T.' was far-fetched. 'E.T.' was this wimpy-looking kid that came to Earth to pick some plants, but he came from the Andromeda Galaxy to do that.